通过光敏剂和催化剂的超分子组装在光阳极上实现可见光驱动的水氧化
Visible-Light-Driven Water Oxidation on a Photoanode by Supramolecular Assembly of Photosensitizer and Catalyst.
作者信息
Li Hua, Li Fei, Wang Yong, Bai Lichen, Yu Fengshou, Sun Licheng
机构信息
State Key Laboratory of Fine Chemicals, DUT-KTH Joint Education and Research Center on Molecular Devices, Dalian University of Technology (DUT), 116024, Dalian, P. R. China.
Department of Chemistry, School of Chemical Science and Engineering, KTH Royal Institute of Technology, 10044, Stockholm, Sweden.
出版信息
Chempluschem. 2016 Oct;81(10):1056-1059. doi: 10.1002/cplu.201500539.
A ruthenium water oxidation catalyst (WOC) bearing hydrophobic ligands was incorporated on the surface of a dye-sensitized nanostructured TiO film by formation of a host-guest adduct with the dye. This provides a new strategy for constructing photocatalytically active electrodes for water oxidation. The resultant photoanode exhibits a photocurrent of 800 μA cm under visible-light illumination (λ>400 nm, 300 mW cm ) and 240 μA cm under simulated sunlight illumination (AM 1.5G, 100 mW cm ) with an applied bias of 0.2 V vs. NHE in neutral phosphate buffer.
一种带有疏水配体的钌水氧化催化剂（WOC）通过与染料形成主客体加合物而被引入到染料敏化纳米结构TiO薄膜的表面。这为构建用于水氧化的光催化活性电极提供了一种新策略。所得的光阳极在可见光照射下（λ>400 nm，300 mW cm ）表现出800 μA cm 的光电流，在模拟太阳光照射下（AM 1.5G，100 mW cm ），在中性磷酸盐缓冲液中相对于标准氢电极施加0.2 V偏压时表现出240 μA cm 的光电流。
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